Sika Technology Ag | Date: 2015-06-17
A hot-curing epoxy resin composition including: at least one liquid epoxy resin having an average of more than one epoxy group per molecule; at least one solid epoxy resin having an average of more than one epoxy group per molecule; at least one polymeric impact modifier comprising a functionalized, epoxy-terminated, acrylonitrile/butadiene copolymer; at least one homopolymer, solid at room temperature, of an olefinically unsaturated monomer; and at least one epoxy-resin hardener which is activated via an elevated temperature, with a proportion by weight of the polymeric impact modifier, based on the epoxy resin composition, being smaller than 20% by weight, and an amount by weight of the homopolymer, solid at room temperature, being greater than the amount by weight of the polymeric impact modifier.
Sika Technology Ag | Date: 2015-05-01
Described is moisture-reactive hot-melt adhesive compounds, including at least one polyurethane polymer P which is solid at room temperature and which has isocyanate groups, at least one polyaldimine ALD of the formula (Ia) or (Ib), and at least one acid K in the form of an organic monocarbon acid, or dicarbon acid, or an organic monosulphonic acid, or disulphonic acid, or a compound which can be hydrolyzed to give one of these acids. These hot-melt adhesive compounds cure without bubbles and exhibit exceptionally quick crosslinking speed and good strength after crosslinking.
Sika Technology Ag | Date: 2015-06-19
In a reinforcing system for reinforcing a cavity of a structural element, a support element is connected to the structural element in the structural element for reinforcement purposes. The support element has channels, an adhesive is disposed in the cavity between the support element and the structural element, and the adhesive can be introduced into the cavity between the support element and the structural element by means of the channels.
Sika Technology Ag | Date: 2015-06-04
A one-component or two-component silicone formulation including: a) at least one cross-linkable poly(diorganosiloxane); b) at least one oligomeric siloxane as a cross-linker for the poly(diorganosiloxane), wherein the oligomeric siloxane is a condensation product of monomeric silane cross-linkers; and c) at least one functionalized oligo(dimethylsiloxane). The one-component or two-component silicone formulation is suitable as an elastic adhesive or sealant, for example, in the automotive and solar fields, for faade construction, insulation glass, window glass or for construction in general.
Sika Technology Ag | Date: 2015-07-20
The invention relates to an application pen for dispensing a liquid onto a surface, such as for applying a protection layer onto adhesion surfaces of a vehicle; for example, for improving adhesion in the case of adhesive applications, the application pen including a hollow body and an ampoule which is received in the hollow body, including a circumferential face, for receiving the liquid, wherein the ampoule can be broken for discharging the liquid, wherein a breaking device with an axially movable portion is provided and is realized in such a manner that a movement of the movable portion in the axial direction results in the breaking of the ampoule.